Finding the Fourth Proportional to 64,956, 89,639.52 and 35,148

Step by Step Solution

1. Step 1: Write the proportion equation
   64,956 : 89,639.52 = 35,148 : x
2. Step 2: Convert to fraction form
   64,956/89,639.52 = 35,148/x
3. Step 3: Cross multiply
   64,956x = 89,639.52 × 35,148
4. Step 4: Simplify right side
   64,956x = 3,150,649,848.96
5. Step 5: Solve for x
   x = 3,150,649,848.96/64,956
6. Step 6: Final answer
   x = 48,504.37